Medium vs Substack
Head-to-head usage across the sites we track.
Top sites by authority
Medium · Substack · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
4
2
Open Page Rank 8+
20
13
Open Page Rank 7+
42
58
Open Page Rank 6+
67
134
Open Page Rank 5+
97
226
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Medium · Substack · share of sites in each country using one or the other
United States
1,031
2,503
India
904
731
United Kingdom
621
769
Canada
537
614
Brazil
501
284
Germany
481
300
Australia
447
333
France
491
279
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Medium | Substack |
|---|---|---|
| LCP | 2.2 s | 1.6 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 500 ms |
Median site's p75 values from the Chrome UX Report, Sep 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.